Ventilating device for ventilating through ridge has ridge member with rigid part consisting of two opposed panels and number of cross pieces extending between opposing panels

摘要

The device has a ridge member extending longitudinally along and beneath the ridge. The ridge member has a rigid part consisting of two opposed panels and a number of cross pieces (2) extending between the opposing panels. The ridge member has passages extending from a lower part of the ridge member to an upper part which is an uppermost part of the ridge member.